Nowadays, it’s easy to spot homes that have ridge vents ... have come a long way as manufacturers look to reduce heat loss and roof decking leaks. DiMartino attests to the changes in industry ...

"That is a great example of ice damming . Ice damming is caused by heat loss under the attic space that gets under the snow that sits on your roof melts from under runs down the gutter and re ...

Rubber roofs should have something called a turbine vent that spins with the heat rising and expels the hot air faster.

At its core, these dams are formed by uneven surface temperatures across your roof. Heat loss from your house, precipitation and outside temperatures all can interact to form ice dams.